euv_ui/hook/use_mounted/
impl.rs

1use super::*;
2
3/// Inherent implementation of [`UseMounted`].
4impl UseMounted {
5    /// Creates a handle with the flag starting at `false`.
6    ///
7    /// # Returns
8    ///
9    /// - `UseMounted` - The fresh handle.
10    pub(crate) fn new() -> Self {
11        Self {
12            mounted: Signal::create(false),
13        }
14    }
15
16    /// Returns the current flag as a snapshot.
17    ///
18    /// # Returns
19    ///
20    /// - `bool` - `true` once the DOM has been committed.
21    pub fn is_mounted(&self) -> bool {
22        self.get_mounted().get()
23    }
24
25    /// Raises the flag once the DOM has been committed.
26    ///
27    /// The wait is a macrotask rather than a microtask on purpose: the
28    /// renderer commits a signal-driven update in a microtask, so a
29    /// microtask scheduled from inside a render could run before that
30    /// commit and would see a DOM that is not there yet.
31    pub(crate) fn attach(&self) {
32        let mounted: Signal<bool> = self.get_mounted();
33        after_mount(move || {
34            mounted.set(true);
35        });
36    }
37}
euv_ui/hook/use_mounted/impl.rs

euv_ui/hook/use_mounted/
impl.rs
